28867212

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^2\times {\mathrm{47}}^2$

素因数の和:129

約数の個数: 108

約数和(自身を含む): 84050680

約数和(自身を除く): 55183468

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 47, 54, 66, 94, 99, 108, 121, 132, 141, 188, 198, 242, 282, 297, 363, 396, 423, 484, 517, 564, 594, 726, 846, 1034, 1089, 1188, 1269, 1452, 1551, 1692, 2068, 2178, 2209, 2538, 3102, 3267, 4356, 4418, 4653, 5076, 5687, 6204, 6534, 6627, 8836, 9306, 11374, 13068, 13254, 13959, 17061, 18612, 19881, 22748, 24299, 26508, 27918, 34122, 39762, 48598, 51183, 55836, 59643, 68244, 72897, 79524, 97196, 102366, 119286, 145794, 153549, 204732, 218691, 238572, 267289, 291588, 307098, 437382, 534578, 614196, 656073, 801867, 874764, 1069156, 1312146, 1603734, 2405601, 2624292, 3207468, 4811202, 7216803, 9622404, 14433606, 28867212]

約数ペア:

[(1, 28867212), (2, 14433606), (3, 9622404), (4, 7216803), (6, 4811202), (9, 3207468), (11, 2624292), (12, 2405601), (18, 1603734), (22, 1312146), (27, 1069156), (33, 874764), (36, 801867), (44, 656073), (47, 614196), (54, 534578), (66, 437382), (94, 307098), (99, 291588), (108, 267289), (121, 238572), (132, 218691), (141, 204732), (188, 153549), (198, 145794), (242, 119286), (282, 102366), (297, 97196), (363, 79524), (396, 72897), (423, 68244), (484, 59643), (517, 55836), (564, 51183), (594, 48598), (726, 39762), (846, 34122), (1034, 27918), (1089, 26508), (1188, 24299), (1269, 22748), (1452, 19881), (1551, 18612), (1692, 17061), (2068, 13959), (2178, 13254), (2209, 13068), (2538, 11374), (3102, 9306), (3267, 8836), (4356, 6627), (4418, 6534), (4653, 6204), (5076, 5687)]